Sailthru Horizon
316 websites

Sailthru Horizon is free to use

http://getstarted.sailthru.com/

Third, enter your full Horizon subdomain, i.e. horizon.yourdomain.com, under the "Horizon Subdomain" field in your Sailthru account settings.

VS

VoiceFive
44 websites

VoiceFive is free to use

http://www.voicefive.com/

VoiceFive is a leader in the Internet market research industry. Companies across a wide variety of industries turn to VoiceFive to conduct research to better understand the likes and dislikes of consumers. The reports that are compiled from...

Market Share by Top Websites

2 Sailthru Horizon is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Sailthru Horizon has better usage coverage in more websites categories. Including News & Media, Food & Drink, Arts & Entertainment, Travel & Tourism and 16 other categories.

2 VoiceFive is leading in Sports and Home & Garden.

Geography

1 Sailthru Horizon is leading in most countries, including United States, United Kingdom, Canada, Hungary and 24 other countries.

2 VoiceFive is leading in Moldova and Philippines.